Among the 300 students of a school, it was found that 43% of the students liked to listen to poems, 47% liked stories, 44% liked songs, 17% liked poems and stories,
22% liked poems and songs, 21% liked stories and songs, and 21% didn't like any of
these three, then
(a) Represent the above information in a Venn-diagram.
(b) How many students liked to listen to poems only?
(c) How many students liked to listen to poems and stories only?